libevreactor.py 文件源码

def handle_read(self, watcher, revents, errno=None):
        if revents & libev.EV_ERROR:
            if errno:
                exc = IOError(errno, os.strerror(errno))
            else:
                exc = Exception("libev reported an error")

            self.defunct(exc)
            return
        try:
            while True:
                buf = self._socket.recv(self.in_buffer_size)
                self._iobuf.write(buf)
                if len(buf) < self.in_buffer_size:
                    break
        except socket.error as err:
            if ssl and isinstance(err, ssl.SSLError):
                if err.args[0] not in (ssl.SSL_ERROR_WANT_READ, ssl.SSL_ERROR_WANT_WRITE):
                    self.defunct(err)
                    return
            elif err.args[0] not in NONBLOCKING:
                self.defunct(err)
                return

        if self._iobuf.tell():
            self.process_io_buffer()
        else:
            log.debug("Connection %s closed by server", self)
            self.close()